这段代码的目的是要求用户输入特定的日期和时间。输入应从HTML表单发送到app.py,而python脚本应检查输入并相应显示“可用档位”。
我尝试过:
<div class="row">
<div class="col-md-12">
<div class="box box-primary">
<div class="box-header">
<h3 class="box-title">Please select a date & time to view available stalls : </h3>
</div>
<div class="box-body">
<form method="POST" action="">
<div class="form-group">
<label>Date and time range:</label>
<div class="input-group">
*****<input type="datetime-local" id="reservationtime"
name="reservationtime" value="2019-11-15T14:30"
min="2019-01-01T00:00" max="2030-12-31T00:00">*****
</div>
<button type = "submit" class="btn btn-primary">Submit</button>
<!-- /.input group -->
</div>
</form>
</div>
</div>
</div>
</div>
python代码是:
resultstruct_time = time.strptime(reservationtime,"%Y-%m-%d %H:%M")
reservationDayID = resultstruct_time(6) + 1
reservationHour = resultstruct_time(3)
我得到的错误是:
TypeError:strptime()参数0必须是str,而不是类'NoneType'
有人可以告诉我如何将输入更改为str,同时保持输入类型为“ datetime-local”吗?谢谢!
编辑:似乎HTML表单没有向python返回任何内容。但是为什么会这样呢?有什么方法可以传回所需的“ reservationtime”值?这是下面所有相关代码的转贴:
python:
@app.route("/FilterStallsPage",methods = ["GET","POST"])
def DisplayFilterStallsPage():
stallsInfoDict, availableStallsCount = filterAvailableStalls()
return render_template('FilterStallsPage.html',stallsInfoDict = stallsInfoDict, \
totalStalls = len(stallsInfoDict), availableStalls = availableStallsCount)
def getReservationTime():
if request.method == "POST":
reservationtime = request.form["reservationtime"]
return reservationtime
def filterAvailableStalls():
reservationtime = getReservationTime()
resultstruct_time = time.strptime(str(reservationtime),"%Y-%m-%d %H:%M")
reservationDayID = resultstruct_time(6) + 1
reservationHour = resultstruct_time(3)
(the rest block of irrelevant code not included)
HTML:
<div class="row">
<div class="col-md-12">
<div class="box box-primary">
<div class="box-header">
<h3 class="box-title">Please select a date & time to view available stalls : </h3>
</div>
<div class="box-body">
<form method="POST" action="">
<div class="form-group">
<label>Date and time range:</label>
<div class="input-group">
*****<input type="datetime-local" id="reservationtime"
name="reservationtime" value="2019-11-15T14:30"
min="2019-01-01T00:00" max="2030-12-31T00:00">*****
</div>
<button type = "submit" class="btn btn-primary">Submit</button>
<!-- /.input group -->
</div>
</form>
</div>
</div>
</div>
</div>
谢谢!
我猜没有返回任何东西。您可以尝试在python接收响应的位置添加print。打印收到的响应的类型,然后从那里开始调试。尝试将类型强制转换为字符串。尝试检查是否返回任何内容。有时什么都不返回,它是一个noneType对象。
print(type(reservationtime) ) #debugging
print(reservationtime) #debugging
resultstruct_time = time.strptime(str(reservationtime),"%Y-%m-%d %H:%M")
edit-helping-debug
def getReservationTime():
if request.method == "POST":
print('made to POST')
return "test-string"
#reservationtime = request.form["reservationtime"]
#return reservationtime
好吧,如果您得到打印,并且它不返回noneType,则意味着您只需要修复注释的行。如果没有到达那里,则必须修复处理生成帖子的获取保留代码。我对烧瓶的工作还不够,无法为您提供确切的答案,只是不停地摆弄它,看看是否还有后期请求。